Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Taipei | 2018/04/11 10:55 | Yusuke Takahashi v Chien Hsun Lo | 3-6,7-6,3-6 |
| Challenger Taipei | 2018/04/10 10:00 | Chun Hsin Tseng v Yusuke Takahashi | 6-7,1-6 |
| ITF Japan F5 | 2018/04/08 03:05 | Zhe Li v Yusuke Takahashi | 6-4,6-7,7-5 |
| ITF Japan F5 | 2018/04/05 02:00 | Shinji Hazawa v Yusuke Takahashi | 5-7,0-6 |
| ITF Japan F5 | 2018/04/04 05:10 | Naoki Tajima v Yusuke Takahashi | 4-6,2-6 |
| ITF Japan F5 | 2018/04/02 03:40 | Masaki Sasai v Yusuke Takahashi | 6-3,3-6,3-6 |
| Challenger Qujing | 2018/03/21 04:55 | Hubert Hurkacz v Yusuke Takahashi | 7-5,6-3 |
| Challenger Qujing | 2018/03/19 02:00 | Yusuke Takahashi v Ti Chen | 6-2,6-3 |
| ITF Japan F6 | 2018/04/15 04:00 | Hiroyasu Ehara v Renta Tokuda | 0-6,6-7 |
| ITF Japan F6 | 2018/04/14 01:00 | Kazuki Nishiwaki v Hiroyasu Ehara | 2-6,6-7 |
| ITF Japan F6 | 2018/04/13 01:00 | Hiroyasu Ehara v Sora Fukuda | 7-6,6-2 |
| ITF Japan F6 | 2018/04/12 01:00 | Hiroyasu Ehara v Yuta Shimizu | 5-7,7-6,6-1 |
| ITF Japan F6 Qual | 2018/04/11 01:00 | Hiroyasu Ehara v Hajime Nakashima | 6-1,6-2 |
| ITF Japan F5 | 2018/04/05 02:00 | Shintaro Imai v Hiroyasu Ehara | 3-6,5-7 |
| ITF Japan F5 | 2018/04/04 01:00 | Takuto Niki v Hiroyasu Ehara | 2-6,6-2,4-6 |
| ITF Japan F5 | 2018/04/02 04:10 | Yuki Matsuo v Hiroyasu Ehara | 2-6,2-6 |